Charles h



(No Model.) I 0'. H. PARSHALL.

Lubricator.

No. 236,452. Patented Jan. 11,1881;

WITNESSES. w 7% Mama.

Mafia? Imam.

iihrruur FFECEQ' CHARLES H, PARSHALL, Oi? DE'iROi'i, MICHIGAN, ASSTGNOR TO DETROIT LUHREGATUR MANUFACTURING COMPANY, OF SAME PLACE.

LUERiGATQR.

tllTFLiYlUIFIGAI'IGlI forming part. or Letters Patent; No. 236,452, dated January 11, 1881. Application filcil Sup'temher 23, [880. (No model.)

fi e all whom it may; concern.-

lie it, l-:nowu that 1, CHARLES H; liiusuzmri; of il eiroii,county ct fl "sync, tare ot Michi can, have invented a new and useful Improvementv in inzbricators with Pinup-Feed; and l declare the lbllowinu' to be a full, clear, and eX- act description ot the same, such as will oneble others shillod in the art to which it pertains to llltli-ltl and use it, reference being bad to the ucconuuniyiiur drawings, whichi'orm a part of this s nwailication.

lily-invention relates to that classof lubricators which are more particularly adapted for the lubrication of steam-engine cylinders or other similar nnichiuery where there is a backpressnrc exerted from the mechanism that is being: lulu-leafed, though it is equally well adapted torluln-icatinganykind ot'machincry.

lily invention consists, essentially, in comhininc a pump-iced with a \liilllltdihlll nun-r cater, so that the pump-thed shall take the oil from the reservoir and force it by a positive action to the parts to he lubricated, and the rate ol' teed be visible at the tiansparent chainher,

In the drawings, Figure 1 is a side elevation of a lubricatorembodying my invention, with parts in section. Fig. 3 represents a variation in which the sight-feed isoi't he kind in which water-drops through oil in a transparent chamber. Fig. 3 isa variation in which a doubleactin;2; pump is employed, so as to teed oil to inder, whilc the othcrend oi'thc unnp-c \'limler i'eeds oil to the, other strain-chest, both drawinc their supply of oil from the same oil-reser- \oir. Fig. lis a variation in which the oil passes through a trans nirent airspace, either beforeentering:oral'terleavingthcpump, Fig. 5 represents the oil-discharging pipe E as leading into the dry-pipe. Fig. ti represents it as leading; into the stcanmzhests.

lleretol'ore luln'n-ators have been made with pump t er-ding," mechanism, and they have also been made without the pinup-fetal, but provided with visible or drop t'eed nnichanism.

it is the tiliii'til of my invention to combine the pump with a visible feed; for where the pump alone is used the fact that the valves are working properly and theoil feeding"regularly to the parts to be lubricated is necessarily a matter of inf rence only. and where the visible feed is employed without; the pump it is a nice operation to properly adjust all the parts to satisfy the varying circumstances of steam.

pressure, and where the lubricator is ot that class which requires an equilibrium of pressure within, thejoints are all required to be steamtight and expensive of construction.

in carrying outmy invention, A is a steam' 6o boiler. l; is its dry-pipe, and U the steamcliests of its cylinders. D is an oil-reservoir, from which an oil-conduit, E, leads to a pumpchamber, F. In ,this punui-chamber a piston or plunger, F, is driven by any suitable machinery--either a small separate engine, or by connecting the plunger with some moving partot' the machinery. This piston or plunger may be connected by direct connections with the moving parts; but. I prefer to employ a link mechanism, substantially as shown, whereby the motion may be at once adjusted to correspond with that. ol" any adjacent moving, part, and by which the feed of theoil can be rcgulated. Such a construclirnl is represented in the drawings, F being a lover, pivoted atafto a loose connectingrod, j", which, in turn, may be connected with a swivehf, so that the lever F may project in any direction for convenience ot' attaclunent under all circumstances,

and without requiring" special means in every separate case. A suitable link, F unites the outer end of the lever F with some moving part of the machinery by which the pump is act,-

uated, and a set-screw atj' enables theengincer to adjust the. stroke of the pump for any required rapidity of iced of the oil, for the longer the stroke the more oil is pumped at each stroke. In thisconstruction the plunger turns about its axis with the lever F whenever the latter is turned in a new direction.

F is connected to 1 by a pivot-connection, so as to yield as the pump is operated, the set-screwj"- simply serving to clamp the lever wluulever it, has been adjusted longitudinally through the connection to change the stroke of the plunger by lengthening; or shortening the distance lh-iWBUll the fulcrum f and piston or plunger F.

G is a transparent chamber, through which the l'ced can be witnessed dropby drop. In Fig. 1 the construction is such thatthe oill,at'ter ii, is forced from the pump, is caused to rise in drops through water in the transparentchamber, while in Fig. 2 the arrangement; is such :05

that the feed of oil is shown by the rate at which drops of water enter and settle through the oil in the transparent chamber.

In Fig. 1, H is a tube or chamber extending up above the watenin the chamber G, and an in nertube, h, leads from the bottom up through thechamber and discharges into the latter at the top, as shown. A plug, h, is providedat the top, by removing which the chamber can be cleansed and the chamber G be filled with water. A drain-cock, G, is provided,by which to draw ofi' any: residuum that may gather in.

the transparent chamber, and through which the water may. be withdrawn-from time to time. In Fig.2 the transparentchamber Gr is not located between the pump and the cylinder, but back of the pump, at the oil-chamber, or thereabout, as shown. I is a water-supply chamber, or may be any source from which shown in Fig. 2 it may be convenient to con meet with a steam or water pipe leading from the boiler, in order to supply water by condensation or from the boiler. By this construction the oil is always fed with absolute certainty, and at the same time the feed is rendered visible and entirely independent of the pressure in the boiler or engine.

The object of the chamber Ii and its inner tube, It, is to prevent the water from flowing back through the oil-pipe and to keep the water-chamber always full of water.

If desired, the pump in Fig. 2 may be lo.- cated in the water-pipe instead of in the oilpipe, so as to pump water, drop by drop, into the oil-chamber, thus displacingthcoil and driving the latter oil to the parts to be lubricated; and it is immaterial, also, whether the waterpipe in Fig. 2 enters the transparent chamber from the outside, or whether it passes into the body of the oil-reservoir, and leads thence to and delivers its water, drop by drop, into the top of the transparent chamber.

Sui-table valves, F, are located. adjacent to the pump-chamberin the inlet and outlet passages.

There may be one or more passages leading fronrthe pump, so as to lead the oil through one or more visible i'ecdchambers, it necessary,-to several localities to be lubricated.

The apparatus has been supposed, in-this description, to be connected with a locomotive, but is equally well adapted for any other engine, and may lead directly to the steam-chest or to the dry-pipe, or to any steam-pipe in an ordinary engine.

If desired, the pump may be double-acting,

as shown in Fig. 3, and pipes E lead theretrom, one .to each cylinder, it necessary, and a visible feed be provided upon'each branch. So, also, I prefer generally to employ ascreen, J, to arrest any sediment before it reaches the pump.

I am aware that pump feeding mechanism in connection. with lubricators is old; but the valves in such devices are apt to get out of order, and while the pump is otherwise in operation it may fail to feed the oil onward; but by combining with the pump a transparent chamber, through which the oil urged forward by the pump is;caused to pass in visible drops or quantities, the difficulty is overcome. The engineer can at all times see that his pump is operating properly, and at the same time can see whether the stroke of his pump needs to be altered in order to deliver the requisite quantity of oil.

What I claim is- 1. A lubricator consisting of the following parts in combination, viz: an oil-reservoir, a pump for forcing the oil-to the parts to be lubricated, and a transparent chamber through which the oil ted by theaction ot' the pump is caused to pass in visible drops or quantities, substantially as described.

2. In combination, an oil-reservoir, an oilconduit leading therefrom to the parts to be lubricated, a pump located on the line of the said conduit, and a transparent water-chamher through which the oil, actuated by the pump, is caused to rise in visible drops as rapidly as oil is fed onward by the pump.

in combination, an oil-reservoir, an oilconduit leading therefrom, a pump adapted to force the oil to the parts to be lubricated, a transparent water chamber through which the oil rises in visible quantities as rapidly as fed by the pump, and a trap located adjacent to the water-chamber, whereby the water is prevented from passing back out of the chamber, substantially as described.

4. In a lubricator-pump, the combination, with the plunger, of a lever for driving the same, adjust-ably connected thereto, and a yielding link, to which said lever is i'ulcrnmed, whereby the strokeof thcplunger may be al-, tered by shifting the point of connection'of said lever with said plunger, substantially as described.

in a lubricator pump, the combination, with the plunger, of a. lever for driving the same, connected thereto, and a yielding link, to which said lever is l'ulcrumed, said yielding link being,'in turn,-s\\'iveled' about the pump-shaft, the construction being such that the driving-lever may be turned in any direction for ready connection to a moving part of the nnwhinery, substantially as deseribed.

In testimony whereof .I sign this specification in the presence. of two witnesses.

CHARLES .ll. lAltbllALL.

\Vitncsses:

ALBERT M. HENRY, HENRY 0. Houses. 

